A brunette, a redhead, and a blonde all walk into the elevator
together at work.

When they get in, they notice a puddle of
white fluid on the floor.

The brunette says, "boy, that sure looks like cum to me."

The redhead bends down and smells it. "It sure smells like
cum," she says.

The blonde leans over, sticks her finger in it, and touches
it to her tongue..."Well, it's no one in THIS building!"